%Copyright (c) 2014, Jimmy Shen
%All rights reserved.
%
%Redistribution and use in source and binary forms, with or without
%modification, are permitted provided that the following conditions are
%met:
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%    * Redistributions of source code must retain the above copyright
%      notice, this list of conditions and the following disclaimer.
%    * Redistributions in binary form must reproduce the above copyright
%      notice, this list of conditions and the following disclaimer in
%      the documentation and/or other materials provided with the distribution
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%THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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%IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
%ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
%LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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%SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
%INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
%CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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function nifti_struct = load_untouch_nii_gz(filename)

[p,f,e] = fileparts(filename);
if(strcmpi(e,'.gz'))
    tmpDir=tempname;
    disp(['Using tmpDir: ' tmpDir]);
    mkdir(tmpDir);
    gunzip(filename, tmpDir);
    tmpFileName = fullfile(tmpDir, f);
    nifti_struct=load_untouch_nii(tmpFileName);
    
    delete(tmpFileName);
    rmdir(tmpDir);
else
    nifti_struct=load_untouch_nii(filename);
end
